>> with regards to the u.s. power plants, the u.s. plants are designed to very high standards for the effects of earthquakes. all of our plans are designed to withstand significant natural phenomenon like earthquake, tornado, or a tsunami. we believe we have a strong regulatory structure in place. as we always do, as an independent regulatory agency, we will continue to take a new information and see if there are changes that we need to make with their program. with regards to the fuel, we are providing assistance to the japanese where they requested our assistance. they have not asked for any specific of information with regards to the field. -- fuel. >> you just talked about the high standards domestically. what are the differences between what japan has and what the united states has? >> right now, our focus is on keeping the nuclear power plants in this country secure. we are also putting up a strong focus right now in providing technical expertise to the japanese as they requested. questions about exactly the differences and what